Validity and reliability of the Serbian version of Patient-Reported Impact of Spasticity Measure in multiple sclerosis. Knezevic T, Konstantinovic L, Rodic S, Foti C, Drulovic J, Dackovic J, Nikolic D, Petronic I, Stokic DS Int J Rehabil Res. 2015 Jan 19. PMID: 25603541. Abstract CommentRecommendBookmarkWatch